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(IAAC) Obj: NGC 5090, NGC 5091, NGC 5082 - Inst: 15" f4,5 Obsession



Observation Poster: Armin Hermann <burmeseinn@yahoo.com>
Observer: Armin Hermann
Your skills: Advanced (many years)
Date/time of observation: 11 Apr 2005
Location of site: Sangkhlaburi, Thailand (Lat 15.09 N, Elev 200)
Site classification: Exurban
Sky darkness: 5,8 <Limiting magnitude>
Seeing: 10 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 15" f4,5 Obsession
Magnification: 131x - 342x
Filter(s): none
Object(s): NGC 5090, NGC 5091, NGC 5082
Category: External galaxy.
Class: 
Constellation: Cen
Data: mag var  size var
Position: RA :  DEC :
Description:
Nice group of galaxies which are seperated by just 6' and 1,2'. 5090 appears as a 
bright slightly oval glow without a stellar nucleus in its bright central core. 5091 is 
fairly faint and shows no structure. 5082 appears a bit than 5091. It appears oval 
with a central brightening. The glow of a 6,5 mag star disturbes the observation 
significantly.
NGC 5090: 11,6mag, 2,2x1,7'
NGC 5091: 13,8mag 2x0,8'
NGC 5082: 12,8mag, 1,5x1'
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  http://www.visualdeepsky.org/enter-log.html